Allows the chroot builder to set the default editor to be used in the
chroot.

Vim is used as the default choice.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

This allows to have newer software than what is available in Debian Squeeze
(the default version of the distribution used by the script), particularly
vim and git.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Setting up a proper environment for building a Ganeti can be quite difficult.

This patch adds a script for building a compressed chroot with all the
required libraries and tools.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>